1287377

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 24

約数和(自身を含む): 1685376

約数和(自身を除く): 397999

約数列:

[1, 7, 13, 43, 47, 49, 91, 301, 329, 559, 611, 637, 2021, 2107, 2303, 3913, 4277, 14147, 26273, 27391, 29939, 99029, 183911, 1287377]

約数ペア:

[(1, 1287377), (7, 183911), (13, 99029), (43, 29939), (47, 27391), (49, 26273), (91, 14147), (301, 4277), (329, 3913), (559, 2303), (611, 2107), (637, 2021)]